1021210101103 has 2 divisors, whose sum is σ = 1021210101104. Its totient is φ = 1021210101102.

The previous prime is 1021210101101. The next prime is 1021210101127. The reversal of 1021210101103 is 3011010121201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1021210101103 - 2¹ = 1021210101101 is a prime.

Together with 1021210101101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021210101101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510605050551 + 510605050552.

It is an arithmetic number, because the mean of its divisors is an integer number (510605050552).

Almost surely, 2^{1021210101103} is an apocalyptic number.

1021210101103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021210101103 is an equidigital number, since it uses as much as digits as its factorization.

1021210101103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1021210101103 its reverse (3011010121201), we get a palindrome (4032220222304).

The spelling of 1021210101103 in words is "one trillion, twenty-one billion, two hundred ten million, one hundred one thousand, one hundred three".